E. Ellizar, S.D. Putri, M. Azhar, H. Hardeli
This research was based on an observation which was found that the learning instruction was not yet optimal to train students to think critically. The purpose of this research is to develop a discovery instructional module on chemical equilibrium to improve critical thinking skills of senior high school students. This research belongs to research and developments that use Plomp Model with three stages: the preliminary research, prototyping and assessment phase. Assessment phase was conducted in two schools: students with high and low academic ability. The instrument used was critical thinking test consisting of nine essay questions. The results showed that generated discovery learning module on chemical equilibrium was effective to improve critical thinking skills, both for students with high and low academic ability. © 2019 Published under licence by IOP Publishing Ltd.
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Padang, Jl. Prof Hamka, Padang, 25131, Indonesia
